The ldconfig auxiliary cache is a dictionary where the keys include inode, so
there is no point in writing these files on the build host. 

Upstream-Status: Inappropriate
Signed-off-by: Ross Burton <ross.burton@arm.com>

diff --git a/ldconfig.c b/ldconfig.c
index 2c4eb57..2d6dc92 100644
--- a/ldconfig.c
+++ b/ldconfig.c
@@ -1399,8 +1399,6 @@ main (int argc, char **argv)
   if (opt_build_cache)
     {
       save_cache (cache_file);
-      if (aux_cache_file)
-        save_aux_cache (aux_cache_file);
     }
 
   return 0;